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Title: Spin-glass behavior in semiconducting single-crystalline znmn2as2
Authors: Laue, I
Vanacken, Johan
Nateprov, An
Herlach, Fritz
Vonortenberg, M
Arushanov, Ek
Issue Date: Sep-1994
Publisher: Akademie verlag gmbh
Series Title: Physica status solidi b-basic research vol:185 issue:1 pages:245-255
Abstract: The dc magnetization of single crystalline ZnMn2As2 is studied using an rf-SQUID. It is found that the crystals are anisotropic, show a ferromagnetic transition around T = 310 K, a helical magnetic phase below T = 110 K, and there is evidence of a strong spin-glass behavior below T = 33 K. The spin-glass phase is studied form zero-field cooled (ZFC) and remanent magnetization experiments. An irreversibility line (de Almeida- Thouless line) is clearly observed for both principal orientations of the crystal and a comparison is made between the magnetic moment relaxation measured using the ZFC and the remanent methods.
ISSN: 0370-1972
Publication status: published
KU Leuven publication type: DI
Appears in Collections:Solid State Physics and Magnetism Section

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